#OP0237 reports positive phase 3 data for the selective JAK1 inhibitor ivarmacitinib in active nr-axSpA. ASAS40 responses at Week 12 significantly higher vs placebo (39.7% vs 24.8%), with sustained efficacy through Week 24 and no new safety signals observed. #EULAR2026 @RheumNow https://t.co/JZLQ0Ywlio